CONTENTS 



Introduction 5 



Distribution 



Losses y 



New Jersey Investigations 11 



Symptoms of Advanced Stages ol Yellows 13 



Symptoms of Advanced Stages of Little Peach 1-1 



Early Preliminary Symptoms of Yellows and Little Peach 15 



Yellows ->" r ' r . ittle Peach on Same Tree 17 



Producing Symptoms Similar to Yellows and Little Peach 18 



Peach Buttons 18 



Peach Rosette IV 



Behavior of Trees on Wet Soils 20 



Peculiar Behavior of Trees on Some Well-Drained Sod.- 2D 



Trees More Susceptible to Disease on Some Sites than on Others 



Fertilizers Had no Apparent Effect in Checking the Sprea l'hese 



Diseases at Vineland L\ 



Factors Which Determine Size and Time of Maturit) of the I'nni on 



Normal Trees _M 



Factors Which Determine Color of Healthy Fruit iJ 



Suggestions for Differentiating Cases <>i Yellows and Little Peach from 



Other Troubles .v 



Propagation of Trees from Pits from Diseased Trees .U 



Propagation with Puds from Diseased Trees 



Inoculation with juices 39 



Occasional Healthy Branches on Diseased Trees 40 



Pollen Not a Carrier of Disease 41 



Starch Tests 41 



Effect of Nitrogen Applications Upon Healthy and Diseased lues 4b 



Detailed Record of Peach Yellows and Little Peach [n testation at the 



Vineland Experiment Orchards 4t> 



Suggestions for the Prevention and G ntrol of Ylelows and Little Peach 5b 



Summary 57 



